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== Dissipation rate estimation ==
[[File:Arnaud Pic.jpg|thumb|Arnaud Le Boyer - Project Scientist in the MOD group at the Scripps Institution of Oceanography ]]
I am a seagoing physical oceanographer and part of the Multiscale Ocean Dynamics group at SIO/UCSD. I am tracking the energy path from internal wave sources all the way down to dissipation using long-term velocity times series and turbulence measurements.


#      Extract the profile defined in [[Flow_chart_for_shear_probes|step 2]].
To that end, I am leading the development of the EPSILOMETER, the one-and-only SCRIPPS micro-structure profiler, and get my hands “dirty” with software and the analog front end development, as well as probe fabrication.
#      High-pass filter the shear-probe and (optionally) the vibration data.  
 
#      Identify each diss-length segment in the profile.
 
#      De-spike the shear-probe data, and track the fraction of data affected by de-spiking within each diss-length segment. This will become a quality-control metric.
http://www.mod.ucsd.edu/arnaud-le-boyer
#      Calculate the frequency spectra and cross-spectra of shear and vibrations for each diss-length segment using the method described here.
#      Extract the original and the vibration-coherent clean shear-probe frequency spectra.  
#      Correct shear and vibration frequency spectra for the high-pass filter.
#      Correct the cleaned frequency spectra for the bias induced by the Goodman algorithm.
#      Convert the frequency spectra into wavenumber spectra using the mean speed for each diss-length segment.
#      Correct the spectra of shear for the wavenumber response of the shear probe.  
#      Apply an iterative spectral integration algorithm to estimate the variance of shear, which is described here.  
#      Calculate the rate of dissipation by multiplying the shear variance by

Latest revision as of 17:41, 10 December 2021

Arnaud Le Boyer - Project Scientist in the MOD group at the Scripps Institution of Oceanography

I am a seagoing physical oceanographer and part of the Multiscale Ocean Dynamics group at SIO/UCSD. I am tracking the energy path from internal wave sources all the way down to dissipation using long-term velocity times series and turbulence measurements.

To that end, I am leading the development of the EPSILOMETER, the one-and-only SCRIPPS micro-structure profiler, and get my hands “dirty” with software and the analog front end development, as well as probe fabrication.


http://www.mod.ucsd.edu/arnaud-le-boyer

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